In an illustrative embodiment, a dental appliance is provided including a matrix of printed voxels having a three-dimensional shape of a dental arch for surrounding a set of teeth corresponding to a first teeth alignment of a patient, the shape of the dental arch having a lingual side, an occlusal surface, and a facial side, where each voxel includes a deposited material for adhering to an adjacent voxel, and where the matrix of printed voxels applies a force to one or more teeth of the set of teeth causing the one or more teeth to shift into a second teeth alignment.